diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-hidden.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-hidden.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-hidden.html | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-hidden.html b/testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-hidden.html new file mode 100644 index 0000000000..622ca8fbef --- /dev/null +++ b/testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-hidden.html @@ -0,0 +1,86 @@ +<!DOCTYPE html> +<title>position:sticky elements should respect an overflow:hidden ancestor</title> +<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" /> +<meta name="assert" content="This test checks that position:sticky elements adhere to an overflow:hidden ancestor" /> + +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<script src="../resources/sticky-util.js"></script> + +<body></body> + +<script> +test(() => { + const outer_scroller = document.createElement('div'); + outer_scroller.style.width = '100px'; + outer_scroller.style.height = '100px'; + outer_scroller.style.overflow = 'scroll'; + + const inner_scroller = document.createElement('div'); + inner_scroller.style.width = '80%'; + inner_scroller.style.height = '200px'; + inner_scroller.style.overflow = 'hidden'; + + const sticky = document.createElement('div'); + sticky.style.width = '20px'; + sticky.style.height = '20px'; + sticky.style.position = 'sticky'; + sticky.style.top = '0'; + sticky.style.background = 'red'; + + const spacer = document.createElement('div'); + spacer.style.height = '500px'; + + inner_scroller.appendChild(sticky); + inner_scroller.appendChild(spacer); + outer_scroller.appendChild(inner_scroller); + document.body.appendChild(outer_scroller); + + outer_scroller.scrollTop = 50; + + // The sticky should attach to the inner scroller, and so should not stick. + assert_equals(sticky.offsetTop, inner_scroller.offsetTop); +}, 'A sticky element should attach to an overflow:hidden ancestor'); + +// This tests a specific bug in Firefox where the sticky element incorrectly +// started sticking when inside a table. See https://bugzilla.mozilla.org/show_bug.cgi?id=1488810 +test(() => { + const outer_scroller = document.createElement('div'); + outer_scroller.style.width = '100px'; + outer_scroller.style.height = '100px'; + outer_scroller.style.overflow = 'scroll'; + + const table = document.createElement('div'); + table.style.display = 'table'; + + const tr = document.createElement('div'); + tr.style.display = 'table-row'; + + const inner_scroller = document.createElement('div'); + inner_scroller.style.display = 'table-cell'; + inner_scroller.style.overflow = 'hidden'; + + const sticky = document.createElement('div'); + sticky.style.width = '20px'; + sticky.style.height = '20px'; + sticky.style.position = 'sticky'; + sticky.style.top = '0'; + sticky.style.background = 'red'; + + const spacer = document.createElement('div'); + spacer.style.height = '500px'; + + inner_scroller.appendChild(sticky); + inner_scroller.appendChild(spacer); + tr.append(inner_scroller); + table.appendChild(tr); + outer_scroller.appendChild(table); + document.body.appendChild(outer_scroller); + + outer_scroller.scrollTop = 50; + + // The sticky should attach to the inner scroller, and so should not stick. + assert_equals(sticky.offsetTop, inner_scroller.offsetTop); +}, 'A sticky element should attach to an overflow:hidden ancestor inside a table'); +</script> |